Quote Originally Posted by regalls View Post
Hi 3800 gurus,

I really need some input. I replaced the LIM gasket and upper intake manifold with updated GM parts about three years ago. I never noticed any apparent coolant ever since. However, recently I noticed a seepage right on the passenger side seal of lower intake manifold. It looks like coolant with orange color. I marked the position of leakage in the pic.


My question is, is it possible for coolant to leak from that spot, I didn't see coolant passenge in that area? Thanks for any inputs.
Can't see the picture, but did you use RTV on the corners of the LIM when you put the new gasket on?